        * {
            box-sizing: border-box;
        }

        /* 设置背景 */
        body {
            background-color: white;
            background-image: linear-gradient(45deg, #82aab6, rgba(192, 151, 194, 0.333));
            /* background-image: url(img/111.png); */
            background-size: 100%;
            /* opacity: 0.8; */
        }

        /* 设置盒子位置 */
        .father {
            /*color: white;*/
            text-align: center;
            width: 450px;
            height: 450px;
            position: absolute;
            top: 0px;
            bottom: 0px;
            left: 0px;
            right: 0px;
            /* background-color:yellow; */
            margin: auto;
        }

        /* 设置按钮效果 */
        #btn_login {
            /* width: 80px;
    color: rgb(107, 16, 16); */
            color: white;
            background: #74b1c4;
            border: none;
            margin: 0px 6px;
            padding: 8px 0px;
            outline: none;
            width: 22%;
            /* font-size: 1.1em; */
            cursor: pointer;
            /* letter-spacing: 2px; */
            /* font-weight: 400;
            font-family: 'Oleo Script', cursive; */
            transition: 0.5s all;

        }

        #btn_register {
            color: white;
            background: #74b1c4;
            border: none;
            margin: 0px 22px;
            padding: 8px 0px;
            outline: none;
            width: 22%;
            /* font-size: 1.1em; */
            cursor: pointer;
            /* letter-spacing: 2px;
            font-weight: 400;
            font-family: 'Oleo Script', cursive; */
            transition: 0.5s all;
            /* -webkit-transition: 0.5s all; */
        }

        /* 设置鼠标划过按钮样式 */
        #btn_login:hover {
            background-color: #5da6bd;
        }

        #btn_register:hover {
            background-color: #5da6bd;
        }